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Colour

#004BDF

  • #004BDF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#004BDF is a blue with RGB values 0, 75, 223 and HSL 220°, 100%, 44%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#004BDF#004BDF
HEX#004BDF
RGBrgb(0, 75, 223)
RGB (0–1)0, 0.2941, 0.8745
RGB percentages0%, 29.4%, 87.5%
HSLhsl(219.8, 100%, 43.7%)
HSV / HSBhsv(219.8, 100%, 87.5%)
CMYK100%, 66.4%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer19,423
CSS custom property--colour: #004BDF;

Brightness & contrast

Relative luminance0.1036WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.84:1
Contrast with white6.84:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#FFB420

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0064E4no red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#0051DCno green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#00748Fno blue cones; rare, and affects men and women equally; ΔE 81.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.84:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 19.6Royal blue · ΔE 22Slate blue · ΔE 23.2Dark blue · ΔE 28Blue violet · ΔE 30.2Navy · ΔE 30.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 19.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF9400
Analogous#00BBDF, #2400DF
Triadic#DF004B, #4BDF00
Split complementary#DF2400, #BBDF00
Tetradic#DF00BB, #DF9400, #00DF25

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC8FF
Lighter +30%#79A6FF
Lighter +20%#4684FF
Lighter +10%#1362FF
Darker −10%#003AAC
Darker −20%#002979
Darker −30%#001846
Darker −40%#000613
More saturated +25%#004BDF
Less saturated −25%#1C54C3

Channel breakdown

R0
G75
B223
Red0 (0%)
Green75 (29.4%)
Blue223 (87.5%)
Hue219.82°
Saturation (HSL)100%
Lightness43.73%
Dominant channelBlue
Hex per channelR 00 · G 4B · B DF

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Every value on this page was computed from “004bdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.